make volatile access to alive and locked flags

instead of synchronized read access

Change-Id: I3f4457f798d6f4d4a013bf023ed2d9c1b75d4f1f
Issue-ID: POLICY-487
Signed-off-by: Jorge Hernandez <jh1730@att.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
index d60e817a..583deacc 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
@@ -357,12 +357,12 @@ class PolicyEngineManager implements PolicyEngine {
   /**
    * Is the Policy Engine running?
    */
-  protected boolean alive = false;
+  protected volatile boolean alive = false;
 
   /**
    * Is the engine locked?
    */
-  protected boolean locked = false;
+  protected volatile boolean locked = false;
 
   /**
    * Properties used to initialize the engine
@@ -1018,7 +1018,7 @@ class PolicyEngineManager implements PolicyEngine {
   }
 
   @Override
-  public synchronized boolean isAlive() {
+  public boolean isAlive() {
     return this.alive;
   }
 
@@ -1117,7 +1117,7 @@ class PolicyEngineManager implements PolicyEngine {
   }
 
   @Override
-  public synchronized boolean isLocked() {
+  public boolean isLocked() {
     return this.locked;
   }